fairnesscoop / permacoop

import {QueryHandler} from '@nestjs/cqrs';

import {Inject} from '@nestjs/common';

import {GetEventByIdQuery} from './GetEventByIdQuery';

import {IEventRepository} from 'src/Domain/FairCalendar/Repository/IEventRepository';

import {EventView} from '../View/EventView';

import {EventNotFoundException} from 'src/Domain/FairCalendar/Exception/EventNotFoundException';

import {EventType} from 'src/Domain/FairCalendar/Event.entity';

@QueryHandler(GetEventByIdQuery)

export class GetEventByIdQueryHandler {

  constructor(

    @Inject('IEventRepository')

    private readonly eventRepository: IEventRepository

  ) {}

  public async execute(query: GetEventByIdQuery): Promise<EventView> {

    const event = await this.eventRepository.findOneById(query.id);

    if (!event) {

      throw new EventNotFoundException();

    }

    const project = event.getProject();

    const task = event.getTask();

    let title = event.getType();

    if (EventType.MISSION && project && task) {

      title = `[${task.getName()}] ${project.getName()}`;

    }

    return new EventView(

      event.getId(),

      title,

      event.getType(),

      event.getTime() / 100,

      event.getDate(),

      event.getSummary()

    );

  }

}